Roblox’s Cube AI: Creating Interactive 4D Worlds | VP of AI Explains

How does Roblox use AI to power a 3D platform for hundreds of millions? VP Anupam Singh dives deep into their Cube AI model, integrations with LLMs for complex 3D/4D world-building, and the future of vibe coding and in-experience creation. Get an exclusive inside look at the AI models driving one of the biggest metaverse platforms. Subscribe for more creative tech content: @bilawalsidhu 00:00 Roblox Is The YouTube of 3D 01:53 Meet Anupam Singh, VP of Roblox’s AI Platform 03:09 The Roblox Vision: 3D Creation & Consumption At Scale 06:48 The Unseen AI Foundation of Roblox: Safety & Moderation 08:58 Cube AI: One Model To Rule Them All? 13:06 Using Cube with Large Language Models (LLMs) 17:54 The Road to 4D: Making Interactive Worlds 21:52 Who Orchestrates the AI? Creators vs Agentic AI 25:29 Vibe Coding At Roblox Scale 30:03 In-Experience 3D Creation 33:00 AI’s Impact on the Creator Economy 35:57 Roblox’s AI Recommendation Engine 39:13 Roblox Cube’s Context Window & Scaling Scene Generation 41:36 Future of UGC and AAA 3D Content 49:37 Advice for Creators & Developers 53:24 Key Takeaways & Conclusion Roblox Cube AI: https://corp.roblox.com/newsroom/2025/03/introducing-roblox-cube Cube AI GitHub Repo: https://github.com/Roblox/cube Voice Classifier: https://github.com/Roblox/voice-safety-classifier Join My Newsletter: https://spatialintelligence.ai Connect with me on X/Twitter here: https://x.com/bilawalsidhu Everywhere else here: https://bilawal.ai Business inquiries: [email protected] Bio: Bilawal Sidhu is a creator, engineer, and product builder obsessed with blending reality and imagination using art and science. Bilawal is the technology curator for TED Talks, and a venture scout for Andreessen Horowitz. With more than a decade of experience in the tech industry, he spent six years as a product manager at Google, where he worked on spatial computing and 3D maps. His work has been featured in major publications including Bloomberg, Forbes, BBC, CNBC, and Fortune, among others. Bilawal’s journey into computer graphics began at 11, when he fell in love with seamlessly blending 3D into real life footage. Since then, he's captivated over 1.5M subscribers, garnering more than 500M+ views across his platforms. Driven by a mission to empower the next generation of artists and entrepreneurs, Bilawal openly shares AI-assisted workflows and industry insights on social media. When he’s not working, you can find Bilawal expanding his collection of electric guitars. TED: https://www.ted.com/speakers/bilawal_sidhu Google: https://io.google/2022/speakers/bilawal-sidhu/